{"product_id":"hanna-hi7004l-ph-4-01-buffer-calibration-solution-500ml","title":"Hanna HI7004L pH 4.01 Buffer Calibration Solution – 500 mL","description":"\u003ch2 data-end=\"471\" data-start=\"449\" data-section-id=\"1bw7wp4\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/1497\/9772\/files\/HI7004L.png?v=1781454964\" alt=\"\"\u003e\u003c\/h2\u003e\n\u003ch2 data-end=\"471\" data-start=\"449\" data-section-id=\"1bw7wp4\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-end=\"471\" data-start=\"449\" data-section-id=\"1bw7wp4\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-end=\"836\" data-start=\"473\"\u003eMaintain accurate acidic pH measurements with the \u003cstrong data-end=\"585\" data-start=\"523\"\u003eHanna HI7004L pH 4.01 Buffer Calibration Solution (500 mL)\u003c\/strong\u003e. This ready-to-use calibration buffer is formulated for calibration and verification of pH meters and electrodes used in laboratories, water treatment, food processing, hydroponics and industrial quality control. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1268\" data-start=\"838\"\u003eHI7004L provides a stable \u003cstrong data-end=\"892\" data-start=\"864\"\u003epH value of 4.01 at 25°C\u003c\/strong\u003e and is standardized using \u003cstrong data-end=\"948\" data-start=\"919\"\u003eNIST traceable references\u003c\/strong\u003e to support reliable calibration performance. Each bottle includes lot identification, expiry information and a pH-temperature correlation chart for improved traceability and measurement consistency. The airtight tamper-evident seal helps preserve solution integrity during storage. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"1286\" data-start=\"1270\" data-section-id=\"1iz91iu\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-end=\"1609\" data-start=\"1287\"\u003e✔ pH 4.01 calibration value @ 25°C\u003cbr data-end=\"1324\" data-start=\"1321\"\u003e✔ Accuracy: ±0.01 pH\u003cbr data-end=\"1347\" data-start=\"1344\"\u003e✔ Ready-to-use buffer solution\u003cbr data-end=\"1380\" data-start=\"1377\"\u003e✔ NIST traceable preparation\u003cbr data-end=\"1411\" data-start=\"1408\"\u003e✔ Temperature reference chart included\u003cbr data-end=\"1452\" data-start=\"1449\"\u003e✔ Airtight tamper-proof bottle\u003cbr data-end=\"1485\" data-start=\"1482\"\u003e✔ Batch number and expiry printed\u003cbr data-end=\"1521\" data-start=\"1518\"\u003e✔ Suitable for acidic pH calibration applications \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"1627\" data-start=\"1611\" data-section-id=\"wggvqn\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-end=\"1828\" data-start=\"1628\"\u003e\n\u003cli data-end=\"1652\" data-start=\"1628\" data-section-id=\"1trb71t\"\u003epH meter calibration\u003c\/li\u003e\n\u003cli data-end=\"1682\" data-start=\"1653\" data-section-id=\"1s2w8ku\"\u003epH electrode verification\u003c\/li\u003e\n\u003cli data-end=\"1700\" data-start=\"1683\" data-section-id=\"1t31wjv\"\u003eWater testing\u003c\/li\u003e\n\u003cli data-end=\"1720\" data-start=\"1701\" data-section-id=\"tr09sx\"\u003eFood processing\u003c\/li\u003e\n\u003cli data-end=\"1736\" data-start=\"1721\" data-section-id=\"1m642js\"\u003eHydroponics\u003c\/li\u003e\n\u003cli data-end=\"1760\" data-start=\"1737\" data-section-id=\"1rkj521\"\u003eLaboratory analysis\u003c\/li\u003e\n\u003cli data-end=\"1828\" data-start=\"1761\" data-section-id=\"gnyavs\"\u003eIndustrial quality control \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46943768707260,"sku":"HI7004L","price":125.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1497\/9772\/files\/Screenshotfrom2026-06-1420-43-23.png?v=1781454984","url":"https:\/\/supplytent.com\/products\/hanna-hi7004l-ph-4-01-buffer-calibration-solution-500ml","provider":"Supplytent.com","version":"1.0","type":"link"}